(t1-t2)/(t4-t0)=(t2-t0)/(t3-t4) выразить t4 - вопрос №8041354124020344 от voxlemap 29.07.2020 11:23

Question

Алгебра: (t1-t2)/(t4-t0)=(t2-t0)/(t3-t4) выразить t4

voxlemap · Answer

(t1-t2)/(t4-t0)=(t2-t0)/(t3-t4)(t1-t2)*(t3-t4)=(t2-t0)* (t4-t0)t1t3- t2t3- t1t4+ t2t4= t2t4- t0t4- t0t2+(t0)²t1t3- t2t3+t0t2-(t0)² = t2t4- t0t4+t1t4- t2t4t1t3- t2t3+t0t2-(t0)² = t4*(t2- t0+t1- t2)t3*(t1- t2)+ t0*(t2- t0) = t4(t2- t0+t1- t2)...